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Earth Walls and Flexible Spaces in a Sustainable Microhome Community

Authors:
Amanda Gersztel Klajner, Maria Clara Andrade
Earth Walls and Flexible Spaces in a Sustainable Microhome Community

Project in-detail

Constructed with earth walls and modular partitions, this microhome emphasizes flexibility and sustainability, fostering community interactions within its compact living environment.
5 key facts about this project
01
Integrates earth walls using the Tierra Vertida technique for enhanced thermal insulation.
02
Features adjustable openings to optimize natural light and airflow.
03
Incorporates a graywater filtration system for sustainable water management.
04
Utilizes a modular design with movable partitions for customizable living spaces.
05
Central communal fireplace acts as the focal point for social interactions.

### Overview

The Storytelling House, developed for a microhome competition, exemplifies an architectural approach that emphasizes community engagement, environmental sustainability, and adaptability. Located in a context where cultural narratives are integral to social interaction, the design seeks to create spaces that facilitate shared experiences through storytelling. The project focuses on the integration of functional areas that promote both privacy and communal connection.

### Spatial Configuration

The layout of the Storytelling House is organized into three distinct zones: a private area comprising a bedroom and bathroom, a central zone that serves as a multifunctional space for kitchen, workspace, and living activities, and adaptable areas defined by movable partitions. This arrangement allows residents to customize their environment based on immediate needs, promoting social interaction while respecting individual privacy. The central area is characterized by a communal fireplace that serves as a focal point for gathering, reinforcing the building's intent to foster connections among inhabitants.

### Materiality and Sustainability

The material selection for the Storytelling House reflects a commitment to sustainability and environmental accountability. Structures utilize earth walls constructed with the "Tierra Vertida" technique, providing an effective insulator while minimizing ecological impact. The roof features Kingspan QuadCore LED insulated panels designed for thermal efficiency and capabilities suitable for an off-grid lifestyle, including rainwater collection. Additional elements such as plywood flooring made from Pinus wood, visible metal beams for support, strategically placed windows, and solar panels enhance both functionality and energy independence. Furthermore, a graywater filtration system is integrated into the design, contributing to water conservation efforts.

In summary, the Storytelling House champions a design ethos centered on community-oriented living and sustainable practices, demonstrating a forward-thinking approach to contemporary residential architecture.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Enter an open architecture
competition now

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